DE3483752D1 - Verfahren zur auswahl von zusammengesetzten empfangssignalen in ultraschallpruefgeraeten. - Google Patents

Verfahren zur auswahl von zusammengesetzten empfangssignalen in ultraschallpruefgeraeten.

Info

Publication number
DE3483752D1
DE3483752D1 DE8484105289T DE3483752T DE3483752D1 DE 3483752 D1 DE3483752 D1 DE 3483752D1 DE 8484105289 T DE8484105289 T DE 8484105289T DE 3483752 T DE3483752 T DE 3483752T DE 3483752 D1 DE3483752 D1 DE 3483752D1
Authority
DE
Germany
Prior art keywords
selecting
test devices
ultrasonic test
receiver signals
receiver
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE8484105289T
Other languages
German (de)
English (en)
Inventor
Satoshi Ogura
Sakae Sugiyama
Kazunori Koga
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE3483752D1 publication Critical patent/DE3483752D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/38—Detecting the response signal, e.g. electronic circuits specially adapted therefor by time filtering, e.g. using time gates
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/48—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by amplitude comparison
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/01—Indexing codes associated with the measuring variable
    • G01N2291/015—Attenuation, scattering
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02854—Length, thickness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/044—Internal reflections (echoes), e.g. on walls or defects

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
DE8484105289T 1983-05-12 1984-05-10 Verfahren zur auswahl von zusammengesetzten empfangssignalen in ultraschallpruefgeraeten. Expired - Lifetime DE3483752D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58081797A JPS59208457A (ja) 1983-05-12 1983-05-12 超音波送受信方法とその装置

Publications (1)

Publication Number Publication Date
DE3483752D1 true DE3483752D1 (de) 1991-01-31

Family

ID=13756476

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484105289T Expired - Lifetime DE3483752D1 (de) 1983-05-12 1984-05-10 Verfahren zur auswahl von zusammengesetzten empfangssignalen in ultraschallpruefgeraeten.

Country Status (4)

Country Link
US (1) US4592237A (enrdf_load_stackoverflow)
EP (1) EP0125635B1 (enrdf_load_stackoverflow)
JP (1) JPS59208457A (enrdf_load_stackoverflow)
DE (1) DE3483752D1 (enrdf_load_stackoverflow)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4736630A (en) * 1985-08-05 1988-04-12 Hitachi, Ltd. Apparatus and method for sending out and receiving ultrasonic wave signals
EP0256481B1 (de) * 1986-08-20 1994-01-12 Siemens Aktiengesellschaft Verfahren und Einrichtung zur adaptiven Fokussierung bei einem medizinischen Ultraschall-Bildgabegerät
US5570691A (en) * 1994-08-05 1996-11-05 Acuson Corporation Method and apparatus for real-time, concurrent adaptive focusing in an ultrasound beamformer imaging system
US6247367B1 (en) * 1998-04-16 2001-06-19 California Institute Of Technology Multiplexed ultrasonic system
US6678403B1 (en) * 2000-09-13 2004-01-13 Peter J. Wilk Method and apparatus for investigating integrity of structural member
DE10334902B3 (de) * 2003-07-29 2004-12-09 Nutronik Gmbh Verfahren und Schaltungsanordnung zur Verarbeitung von Signalen, die bei der zerstörungsfreien Prüfung von Gegenständen durch Reflexion von Ultraschallwellen erzeugt werden
US8087297B2 (en) * 2004-03-04 2012-01-03 Ludwiczak Damian R Vibrating debris remover
US7454973B2 (en) * 2005-04-01 2008-11-25 Hitachi, Ltd. Ultrasonic inspection method and ultrasonic inspection equipment
US7467052B2 (en) * 2005-11-10 2008-12-16 Vaccaro Christopher M Systems and methods for detecting discontinuous fibers in composite laminates
KR100795822B1 (ko) * 2006-03-24 2008-01-17 남종현 고지혈증 및 뇌졸중 회복 및 예방에 효과가 있는 천연 식물추출물 조성물, 이를 유효성분으로 하는 천연차 및 이의제조방법
JP5798117B2 (ja) * 2010-06-30 2015-10-21 富士フイルム株式会社 超音波診断装置及び超音波診断装置の作動方法
JP5808325B2 (ja) * 2010-06-30 2015-11-10 富士フイルム株式会社 超音波診断装置及び超音波診断装置の作動方法
US9595092B2 (en) * 2013-05-10 2017-03-14 The Boeing Company Methods and systems for inspection of composite irregularities
JP6223783B2 (ja) 2013-11-07 2017-11-01 三菱日立パワーシステムズ株式会社 超音波探傷センサおよび超音波探傷方法
US10018113B2 (en) * 2015-11-11 2018-07-10 General Electric Company Ultrasonic cleaning system and method
US12153019B2 (en) * 2021-03-31 2024-11-26 Evident Scientific, Inc. Adaptive total focusing method (TFM) such as for zero-degree acoustic inspection

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2107063C3 (de) * 1971-02-15 1979-08-23 Krautkraemer, Gmbh, 5000 Koeln Ultraschall-Impulsechoverfahren zur selbsttätigen Unterscheidung zwischen Nutz- und Störsignalen bei der zerstörungsfreien Werkstoffprüfung sowie Schaltungseinrichtung zur Durchführung des Verfahrens
US4267584A (en) * 1977-07-01 1981-05-12 Siemens Gammasonics, Inc. Permutating analog shift register variable delay system
US4173007A (en) * 1977-07-01 1979-10-30 G. D. Searle & Co. Dynamically variable electronic delay lines for real time ultrasonic imaging systems
US4228686A (en) * 1978-01-03 1980-10-21 Raytheon Company Fresnel focussed imaging system
JPS5618854A (en) * 1979-07-25 1981-02-23 Fujitsu Ltd Ultrasonic diagnosing device

Also Published As

Publication number Publication date
EP0125635A3 (en) 1988-05-04
EP0125635A2 (en) 1984-11-21
JPH0257268B2 (enrdf_load_stackoverflow) 1990-12-04
JPS59208457A (ja) 1984-11-26
EP0125635B1 (en) 1990-12-19
US4592237A (en) 1986-06-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee